<template>
  <transition name="el-zoom-in-center">
    <div class="jsbos-preview-main authorize-bd">
      <div class="jsbos-common-page-header">
        <el-page-header @back="goBack" :content="title" />
        <div class="options">
          <el-dropdown style="margin-right: 8px">
            <el-button plain>
              {{ $t("authorize.operation")
              }}<i class="el-icon-arrow-down el-icon--right"></i>
            </el-button>
            <el-dropdown-menu slot="dropdown">
              <el-dropdown-item @click.native="handleCheck('checkAll')">
                {{ $t("authorize.checkAll") }}</el-dropdown-item
              >
              <el-dropdown-item @click.native="handleCheck('cancelCheckAll')">
                {{ $t("authorize.deselectAll") }}
              </el-dropdown-item>
              <el-dropdown-item @click.native="setAllExpand('open')"
                >{{ $t("authorize.expandAll") }}
              </el-dropdown-item>
              <el-dropdown-item @click.native="setAllExpand('close')"
                >{{ $t("authorize.foldAll") }}
              </el-dropdown-item>
            </el-dropdown-menu>
          </el-dropdown>
          <el-button
            :disabled="active <= 0 || treeLoading"
            @click="handlePrevStep"
          >
            {{ $t("common.prev") }}
          </el-button>
          <el-button
            :disabled="active >= 4 || treeLoading"
            @click="handleNextStep"
          >
            {{ $t("common.next") }}
          </el-button>
          <el-button
            type="primary"
            :loading="btnLoading"
            :disabled="active < 4"
            @click="handleConfirm()"
            >{{ $t("common.confirmButton") }}</el-button
          >
          <el-button @click="goBack">{{ $t("common.cancelButton") }}</el-button>
        </div>
      </div>
      <el-steps :active="active" finish-status="success" simple>
        <el-step :title="$t('authorize.menuPermission')"></el-step>
        <el-step :title="$t('authorize.buttonPermission')"></el-step>
        <el-step :title="$t('authorize.listPermission')"></el-step>
        <el-step :title="$t('authorize.formPermission')"></el-step>
        <el-step :title="$t('authorize.dataPermission')"></el-step>
      </el-steps>
      <div class="main">
        <el-form
          ref="dataForm"
          :model="dataForm"
          @keyup.enter.native="handleConfirm()"
        >
          <el-form-item>
            <el-tree
              :data="authorizeTreeData"
              ref="authorizeTree"
              v-loading="treeLoading"
              show-checkbox
              default-expand-all
              node-key="id"
              :check-strictly="checkStrictly"
              check-on-click-node
              :props="defaultProps"
              :expand-on-click-node="false"
              @check-change="selectTreeNodeClick"
            >
              <div slot-scope="{ node, data }">
                <i :class="data.icon" />
                <span style="padding-left: 4px">{{ node.label }}</span>
              </div>
            </el-tree>
          </el-form-item>
        </el-form>
      </div>
    </div>
  </transition>
</template>

<script>
import {
  getAuthorizeValues,
  updateAuthorizeList,
} from "@/api/permission/authorize";

export default {
  data() {
    return {
      visible: false,
      treeLoading: false,
      btnLoading: false,
      checkStrictly: true,
      objectId: "",
      dataForm: {
        objectType: "",
        module: [],
        button: [],
        column: [],
        form: [],
        resource: [],
      },
      params: {
        type: "module",
        moduleIds: "",
      },
      title: "",
      active: 0,
      authorizeTreeData: [],
      moduleAuthorizeTree: [],
      buttonAuthorizeTree: [],
      columnAuthorizeTree: [],
      formAuthorizeTree: [],
      resourceAuthorizeTree: [],
      moduleAllData: [],
      buttonAllData: [],
      columnAllData: [],
      formAllData: [],
      resourceAllData: [],
      moduleIdsTemp: [],
      defaultProps: {
        // 配置项（必选）
        value: "id",
        label: "fullName",
        children: "children",
      },
    };
  },
  methods: {
    init(id, fullName, type) {
      Object.assign(this.$data, this.$options.data());
      this.visible = true;
      this.objectId = id;
      this.dataForm.objectType = type;
      this.$nextTick(() => {
        this.$refs["dataForm"].resetFields();
        if (type === "User") {
          this.title = this.$t(`user.userPermission`) + " - " + fullName;
        } else if (type === "Position") {
          this.title = this.$t(`position.postPermission`) + "- " + fullName;
        } else if (type === "Role") {
          this.title = this.$t(`role.rolePermission`) + " - " + fullName;
        }
        this.getAuthorizeList();
      });
    },
    getAuthorizeList() {
      this.treeLoading = true;
      this.authorizeTreeData = [];
      getAuthorizeValues(this.objectId, this.params)
        .then((res) => {
          switch (this.active) {
            case 0:
              this.moduleAuthorizeTree = res.data.list;
              this.moduleAllData = res.data.all;
              this.authorizeTreeData = this.moduleAuthorizeTree;
              const moduleIds = [...this.moduleIdsTemp, ...res.data.ids];
              this.dataForm.module = [...new Set(moduleIds)];
              this.moduleIdsTemp = this.dataForm.module;
              this.$refs.authorizeTree.setCheckedKeys(this.dataForm.module);
              this.$nextTick(() => {
                this.selectTreeNodeClick();
              });

              break;
            case 1:
              this.buttonAuthorizeTree = res.data.list;
              this.buttonAllData = res.data.all;
              this.authorizeTreeData = this.buttonAuthorizeTree;
              this.dataForm.button = [
                ...this.dataForm.button,
                ...res.data.ids,
                ...this.moduleIdsTemp,
              ];
              this.$refs.authorizeTree.setCheckedKeys(this.dataForm.button);
              this.$nextTick(() => {
                this.selectTreeNodeClick();
              });
              break;
            case 2:
              this.columnAuthorizeTree = res.data.list;
              this.columnAllData = res.data.all;
              this.authorizeTreeData = this.columnAuthorizeTree;
              this.dataForm.column = [
                ...this.dataForm.column,
                ...res.data.ids,
                ...this.moduleIdsTemp,
              ];
              this.$refs.authorizeTree.setCheckedKeys(this.dataForm.column);
              this.$refs.authorizeTree.setCheckedKeys(this.dataForm.button);
              this.$nextTick(() => {
                this.selectTreeNodeClick();
              });
              break;
            case 3:
              this.formAuthorizeTree = res.data.list;
              this.formAllData = res.data.all;
              this.authorizeTreeData = this.formAuthorizeTree;
              this.dataForm.form = [
                ...this.dataForm.form,
                ...res.data.ids,
                ...this.moduleIdsTemp,
              ];
              this.$refs.authorizeTree.setCheckedKeys(this.dataForm.form);
              this.$refs.authorizeTree.setCheckedKeys(this.dataForm.button);
              this.$nextTick(() => {
                this.selectTreeNodeClick();
              });
              break;
            case 4:
              this.resourceAuthorizeTree = res.data.list;
              this.resourceAllData = res.data.all;
              this.authorizeTreeData = this.resourceAuthorizeTree;
              this.dataForm.resource = [
                ...this.dataForm.resource,
                ...res.data.ids,
                ...this.moduleIdsTemp,
              ];
              this.$refs.authorizeTree.setCheckedKeys(this.dataForm.resource);
              this.$refs.authorizeTree.setCheckedKeys(this.dataForm.button);
              this.$nextTick(() => {
                this.selectTreeNodeClick();
              });
              break;
          }
          this.checkStrictly = false;
          this.treeLoading = false;
        })
        .catch(() => {
          this.treeLoading = false;
        });
    },
    goBack() {
      this.$emit("close");
    },
    // 全选/全不选
    handleCheck(val) {
      if (val === "checkAll") {
        switch (this.active) {
          case 0:
            this.$refs.authorizeTree.setCheckedKeys(this.moduleAllData);
            break;
          case 1:
            this.$refs.authorizeTree.setCheckedKeys(this.buttonAllData);
            break;
          case 2:
            this.$refs.authorizeTree.setCheckedKeys(this.columnAllData);
            break;
          case 3:
            this.$refs.authorizeTree.setCheckedKeys(this.formAllData);
            break;
          case 4:
            this.$refs.authorizeTree.setCheckedKeys(this.resourceAllData);
            break;
        }
      }
      if (val === "cancelCheckAll") {
        this.$refs.authorizeTree.setCheckedKeys([]);
      }
    },
    // 折叠 展开
    setAllExpand(state) {
      let result;
      if (state === "open") {
        result = true;
      }
      if (state === "close") {
        result = false;
      }
      const nodes = this.$refs.authorizeTree.store.nodesMap;
      for (let i in nodes) {
        nodes[i].expanded = result;
      }
    },
    // 上一步
    handlePrevStep() {
      this.active -= 1;
      this.handelInitData();
    },
    // 下一步
    handleNextStep() {
      if (this.active++ > 4) this.active = 0;
      this.handelInitData();
    },
    handelInitData() {
      this.checkStrictly = true;
      this.treeLoading = true;
      switch (this.active) {
        case 0:
          this.params.type = "module";
          break;
        case 1:
          this.params.type = "button";
          this.params.moduleIds = this.moduleIdsTemp.toString();
          break;
        case 2:
          this.params.type = "column";
          this.params.moduleIds = this.moduleIdsTemp.toString();
          break;
        case 3:
          this.params.type = "form";
          this.params.moduleIds = this.moduleIdsTemp.toString();
          break;
        case 4:
          this.params.type = "resource";
          this.params.moduleIds = this.moduleIdsTemp.toString();
          break;
      }
      this.getAuthorizeList();
    },
    // 设置数据
    selectTreeNodeClick() {
      const parentIds = this.$refs.authorizeTree.getHalfCheckedKeys();

      const childrenIds = this.$refs.authorizeTree.getCheckedKeys();

      const newIds = [...parentIds, ...childrenIds];
      const dataIds = [...new Set(newIds)];
      switch (this.active) {
        case 0:
          this.dataForm.module = dataIds;
          this.moduleIdsTemp = this.dataForm.module;
          break;
        case 1:
          this.dataForm.button = dataIds;
          break;
        case 2:
          this.dataForm.column = dataIds;
          break;
        case 3:
          this.dataForm.form = dataIds;
          break;
        case 4:
          this.dataForm.resource = dataIds;
          break;
      }
    },
    handleConfirm() {
      this.$refs["dataForm"].validate((valid) => {
        if (valid) {
          this.btnLoading = true;
          updateAuthorizeList(this.objectId, this.dataForm)
            .then((res) => {
              this.$message({
                message: res.msg,
                type: "success",
                duration: 1500,
                onClose: () => {
                  this.visible = false;
                  this.btnLoading = false;
                  this.$emit("close", true);
                },
              });
            })
            .catch(() => {
              this.btnLoading = false;
            });
        }
      });
    },
  },
};
</script>
<style lang="scss" scoped>
.authorize-bd {
  common-page-header {
    border-bottom: none;
  }
  .el-steps {
    border-radius: 0;
  }
}
.main {
  padding: 20px;
}
</style>
